SOLUTION: My other algebra 2 question is find the value of x. Area of the rectangle=40ft2. xft and (x+3). How do u solve it?

SOLUTION: My other algebra 2 question is find the value of x. Area of the rectangle=40ft2. xft and (x+3). How do u solve it?

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Question 397939: My other algebra 2 question is find the value of x. Area of the rectangle=40ft2. xft and (x+3). How do u solve it?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
One side is ft
The other side is ft

given:
ft2
------------

Now you can use the quadratic formula:

ft answer
and

(can't use the negative root)
also,

ft2

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